There are several ways to make a flowchart. Originally, flowcharts were created by hand using pencil and paper. Before the advent of the personal computer, drawing templates made of plastic flowchart shape outlines helped flowchart makers work more quickly and gave their diagrams a more consistent look. Today, flowcharts are typically created using flowchart software.

Flow charts tend to consist of four main symbols, linked with arrows that show the direction of flow:
1. Elongated circles, which signify the start or end of a process.
2. Rectangles, which show instructions or actions.
3. Diamonds, which highlight where you must make a decision.
4. Parallelograms, which show input and output. This can include materials, services or people.

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